Who serves as both the head of government and the head of state in South Korea? Chairman (Dictator) Premier President Prime Minister

The answer is "President"

Explanation:

The President operates both as Chief of Government and also as head of state, in South Korea.  This country also has a parliamentary form of government, a representative democracy, which the Constituent Assembly determines mostly on budget bills proposed by the Legislative with its legislated authority. It also often agrees to establish agreements or war statements.

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